<?php
class Model_ValidCartItem extends Model_CartItem{
	
	protected $_object;
	protected $_price;
	protected $_expire;
	
	public function __construct($id, $type, $qnty, $price)
	{
		parent::__construct($id, $type, $qnty);
		
		$this->_object = new $this->_itemType($id);

		return parent;
	}
}